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Baseline characteristics according to different operation types
| Operation type | IF | HA | THA | p-value |
|---|---|---|---|---|
| Total number | 1,111 | 1,030 | 572 | |
| Mean age (SD) | 62.4 (4.2) | 64.9 (3.6) | 63.7 (3.9) | < 0.001a |
| Female sex (%) | 666 (60) | 672 (65) | 412 (72) | < 0.001b |
| ASA classification (%) | < 0.001b | |||
| ASA 1–2 | 782 (70) | 467 (45) | 419 (73) | |
| ASA 3 | 290 (26) | 505 (49) | 147 (26) | |
| ASA 4–5 | 39 (3.5) | 58 (5.6) | 6 (1.0) | |
| Cognitive impairment (%) | 41 (3.7) | 99 (9.6) | < 0.001b |
ANOVA.
Pearson chi-square test.
